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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * SlidingGanttCategoryDataset.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2008, 2009, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   -;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 09-May-2008 : Version 1 (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> *<a name="line.38"></a>
<span class="sourceLineNo">039</span> */<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>package org.jfree.data.gantt;<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span>import java.util.Collections;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import java.util.List;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.jfree.data.UnknownKeyException;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.jfree.data.general.AbstractDataset;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.jfree.data.general.DatasetChangeEvent;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.jfree.util.PublicCloneable;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>/**<a name="line.51"></a>
<span class="sourceLineNo">052</span> * A {@link GanttCategoryDataset} implementation that presents a subset of the<a name="line.52"></a>
<span class="sourceLineNo">053</span> * categories in an underlying dataset.  The index of the first "visible"<a name="line.53"></a>
<span class="sourceLineNo">054</span> * category can be modified, which provides a means of "sliding" through<a name="line.54"></a>
<span class="sourceLineNo">055</span> * the categories in the underlying dataset.<a name="line.55"></a>
<span class="sourceLineNo">056</span> *<a name="line.56"></a>
<span class="sourceLineNo">057</span> * @since 1.0.10<a name="line.57"></a>
<span class="sourceLineNo">058</span> */<a name="line.58"></a>
<span class="sourceLineNo">059</span>public class SlidingGanttCategoryDataset extends AbstractDataset<a name="line.59"></a>
<span class="sourceLineNo">060</span>        implements GanttCategoryDataset {<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span>    /** The underlying dataset. */<a name="line.62"></a>
<span class="sourceLineNo">063</span>    private GanttCategoryDataset underlying;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>    /** The index of the first category to present. */<a name="line.65"></a>
<span class="sourceLineNo">066</span>    private int firstCategoryIndex;<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span>    /** The maximum number of categories to present. */<a name="line.68"></a>
<span class="sourceLineNo">069</span>    private int maximumCategoryCount;<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span>    /**<a name="line.71"></a>
<span class="sourceLineNo">072</span>     * Creates a new instance.<a name="line.72"></a>
<span class="sourceLineNo">073</span>     *<a name="line.73"></a>
<span class="sourceLineNo">074</span>     * @param underlying  the underlying dataset (&lt;code&gt;null&lt;/code&gt; not<a name="line.74"></a>
<span class="sourceLineNo">075</span>     *     permitted).<a name="line.75"></a>
<span class="sourceLineNo">076</span>     * @param firstColumn  the index of the first visible column from the<a name="line.76"></a>
<span class="sourceLineNo">077</span>     *     underlying dataset.<a name="line.77"></a>
<span class="sourceLineNo">078</span>     * @param maxColumns  the maximumColumnCount.<a name="line.78"></a>
<span class="sourceLineNo">079</span>     */<a name="line.79"></a>
<span class="sourceLineNo">080</span>    public SlidingGanttCategoryDataset(GanttCategoryDataset underlying,<a name="line.80"></a>
<span class="sourceLineNo">081</span>            int firstColumn, int maxColumns) {<a name="line.81"></a>
<span class="sourceLineNo">082</span>        this.underlying = underlying;<a name="line.82"></a>
<span class="sourceLineNo">083</span>        this.firstCategoryIndex = firstColumn;<a name="line.83"></a>
<span class="sourceLineNo">084</span>        this.maximumCategoryCount = maxColumns;<a name="line.84"></a>
<span class="sourceLineNo">085</span>    }<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>    /**<a name="line.87"></a>
<span class="sourceLineNo">088</span>     * Returns the underlying dataset that was supplied to the constructor.<a name="line.88"></a>
<span class="sourceLineNo">089</span>     *<a name="line.89"></a>
<span class="sourceLineNo">090</span>     * @return The underlying dataset (never &lt;code&gt;null&lt;/code&gt;).<a name="line.90"></a>
<span class="sourceLineNo">091</span>     */<a name="line.91"></a>
<span class="sourceLineNo">092</span>    public GanttCategoryDataset getUnderlyingDataset() {<a name="line.92"></a>
<span class="sourceLineNo">093</span>        return this.underlying;<a name="line.93"></a>
<span class="sourceLineNo">094</span>    }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    /**<a name="line.96"></a>
<span class="sourceLineNo">097</span>     * Returns the index of the first visible category.<a name="line.97"></a>
<span class="sourceLineNo">098</span>     *<a name="line.98"></a>
<span class="sourceLineNo">099</span>     * @return The index.<a name="line.99"></a>
<span class="sourceLineNo">100</span>     *<a name="line.100"></a>
<span class="sourceLineNo">101</span>     * @see #setFirstCategoryIndex(int)<a name="line.101"></a>
<span class="sourceLineNo">102</span>     */<a name="line.102"></a>
<span class="sourceLineNo">103</span>    public int getFirstCategoryIndex() {<a name="line.103"></a>
<span class="sourceLineNo">104</span>        return this.firstCategoryIndex;<a name="line.104"></a>
<span class="sourceLineNo">105</span>    }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span>    /**<a name="line.107"></a>
<span class="sourceLineNo">108</span>     * Sets the index of the first category that should be used from the<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * underlying dataset, and sends a {@link DatasetChangeEvent} to all<a name="line.109"></a>
<span class="sourceLineNo">110</span>     * registered listeners.<a name="line.110"></a>
<span class="sourceLineNo">111</span>     *<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * @param first  the index.<a name="line.112"></a>
<span class="sourceLineNo">113</span>     *<a name="line.113"></a>
<span class="sourceLineNo">114</span>     * @see #getFirstCategoryIndex()<a name="line.114"></a>
<span class="sourceLineNo">115</span>     */<a name="line.115"></a>
<span class="sourceLineNo">116</span>    public void setFirstCategoryIndex(int first) {<a name="line.116"></a>
<span class="sourceLineNo">117</span>        if (first &lt; 0 || first &gt;= this.underlying.getColumnCount()) {<a name="line.117"></a>
<span class="sourceLineNo">118</span>            throw new IllegalArgumentException("Invalid index.");<a name="line.118"></a>
<span class="sourceLineNo">119</span>        }<a name="line.119"></a>
<span class="sourceLineNo">120</span>        this.firstCategoryIndex = first;<a name="line.120"></a>
<span class="sourceLineNo">121</span>        fireDatasetChanged();<a name="line.121"></a>
<span class="sourceLineNo">122</span>    }<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>    /**<a name="line.124"></a>
<span class="sourceLineNo">125</span>     * Returns the maximum category count.<a name="line.125"></a>
<span class="sourceLineNo">126</span>     *<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * @return The maximum category count.<a name="line.127"></a>
<span class="sourceLineNo">128</span>     *<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @see #setMaximumCategoryCount(int)<a name="line.129"></a>
<span class="sourceLineNo">130</span>     */<a name="line.130"></a>
<span class="sourceLineNo">131</span>    public int getMaximumCategoryCount() {<a name="line.131"></a>
<span class="sourceLineNo">132</span>        return this.maximumCategoryCount;<a name="line.132"></a>
<span class="sourceLineNo">133</span>    }<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /**<a name="line.135"></a>
<span class="sourceLineNo">136</span>     * Sets the maximum category count and sends a {@link DatasetChangeEvent}<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * to all registered listeners.<a name="line.137"></a>
<span class="sourceLineNo">138</span>     *<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * @param max  the maximum.<a name="line.139"></a>
<span class="sourceLineNo">140</span>     *<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @see #getMaximumCategoryCount()<a name="line.141"></a>
<span class="sourceLineNo">142</span>     */<a name="line.142"></a>
<span class="sourceLineNo">143</span>    public void setMaximumCategoryCount(int max) {<a name="line.143"></a>
<span class="sourceLineNo">144</span>        if (max &lt; 0) {<a name="line.144"></a>
<span class="sourceLineNo">145</span>            throw new IllegalArgumentException("Requires 'max' &gt;= 0.");<a name="line.145"></a>
<span class="sourceLineNo">146</span>        }<a name="line.146"></a>
<span class="sourceLineNo">147</span>        this.maximumCategoryCount = max;<a name="line.147"></a>
<span class="sourceLineNo">148</span>        fireDatasetChanged();<a name="line.148"></a>
<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * Returns the index of the last column for this dataset, or -1.<a name="line.152"></a>
<span class="sourceLineNo">153</span>     *<a name="line.153"></a>
<span class="sourceLineNo">154</span>     * @return The index.<a name="line.154"></a>
<span class="sourceLineNo">155</span>     */<a name="line.155"></a>
<span class="sourceLineNo">156</span>    private int lastCategoryIndex() {<a name="line.156"></a>
<span class="sourceLineNo">157</span>        if (this.maximumCategoryCount == 0) {<a name="line.157"></a>
<span class="sourceLineNo">158</span>            return -1;<a name="line.158"></a>
<span class="sourceLineNo">159</span>        }<a name="line.159"></a>
<span class="sourceLineNo">160</span>        return Math.min(this.firstCategoryIndex + this.maximumCategoryCount,<a name="line.160"></a>
<span class="sourceLineNo">161</span>                this.underlying.getColumnCount()) - 1;<a name="line.161"></a>
<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>    /**<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * Returns the index for the specified column key.<a name="line.165"></a>
<span class="sourceLineNo">166</span>     *<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * @param key  the key.<a name="line.167"></a>
<span class="sourceLineNo">168</span>     *<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * @return The column index, or -1 if the key is not recognised.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     */<a name="line.170"></a>
<span class="sourceLineNo">171</span>    public int getColumnIndex(Comparable key) {<a name="line.171"></a>
<span class="sourceLineNo">172</span>        int index = this.underlying.getColumnIndex(key);<a name="line.172"></a>
<span class="sourceLineNo">173</span>        if (index &gt;= this.firstCategoryIndex &amp;&amp; index &lt;= lastCategoryIndex()) {<a name="line.173"></a>
<span class="sourceLineNo">174</span>            return index - this.firstCategoryIndex;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        }<a name="line.175"></a>
<span class="sourceLineNo">176</span>        return -1;  // we didn't find the key<a name="line.176"></a>
<span class="sourceLineNo">177</span>    }<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * Returns the column key for a given index.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     *<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * @param column  the column index (zero-based).<a name="line.182"></a>
<span class="sourceLineNo">183</span>     *<a name="line.183"></a>
<span class="sourceLineNo">184</span>     * @return The column key.<a name="line.184"></a>
<span class="sourceLineNo">185</span>     *<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * @throws IndexOutOfBoundsException if &lt;code&gt;row&lt;/code&gt; is out of bounds.<a name="line.186"></a>
<span class="sourceLineNo">187</span>     */<a name="line.187"></a>
<span class="sourceLineNo">188</span>    public Comparable getColumnKey(int column) {<a name="line.188"></a>
<span class="sourceLineNo">189</span>        return this.underlying.getColumnKey(column + this.firstCategoryIndex);<a name="line.189"></a>
<span class="sourceLineNo">190</span>    }<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    /**<a name="line.192"></a>
<span class="sourceLineNo">193</span>     * Returns the column keys.<a name="line.193"></a>
<span class="sourceLineNo">194</span>     *<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * @return The keys.<a name="line.195"></a>
<span class="sourceLineNo">196</span>     *<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * @see #getColumnKey(int)<a name="line.197"></a>
<span class="sourceLineNo">198</span>     */<a name="line.198"></a>
<span class="sourceLineNo">199</span>    public List getColumnKeys() {<a name="line.199"></a>
<span class="sourceLineNo">200</span>        List result = new java.util.ArrayList();<a name="line.200"></a>
<span class="sourceLineNo">201</span>        int last = lastCategoryIndex();<a name="line.201"></a>
<span class="sourceLineNo">202</span>        for (int i = this.firstCategoryIndex; i &lt; last; i++) {<a name="line.202"></a>
<span class="sourceLineNo">203</span>            result.add(this.underlying.getColumnKey(i));<a name="line.203"></a>
<span class="sourceLineNo">204</span>        }<a name="line.204"></a>
<span class="sourceLineNo">205</span>        return Collections.unmodifiableList(result);<a name="line.205"></a>
<span class="sourceLineNo">206</span>    }<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span>    /**<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * Returns the row index for a given key.<a name="line.209"></a>
<span class="sourceLineNo">210</span>     *<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * @param key  the row key.<a name="line.211"></a>
<span class="sourceLineNo">212</span>     *<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * @return The row index, or &lt;code&gt;-1&lt;/code&gt; if the key is unrecognised.<a name="line.213"></a>
<span class="sourceLineNo">214</span>     */<a name="line.214"></a>
<span class="sourceLineNo">215</span>    public int getRowIndex(Comparable key) {<a name="line.215"></a>
<span class="sourceLineNo">216</span>        return this.underlying.getRowIndex(key);<a name="line.216"></a>
<span class="sourceLineNo">217</span>    }<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span>    /**<a name="line.219"></a>
<span class="sourceLineNo">220</span>     * Returns the row key for a given index.<a name="line.220"></a>
<span class="sourceLineNo">221</span>     *<a name="line.221"></a>
<span class="sourceLineNo">222</span>     * @param row  the row index (zero-based).<a name="line.222"></a>
<span class="sourceLineNo">223</span>     *<a name="line.223"></a>
<span class="sourceLineNo">224</span>     * @return The row key.<a name="line.224"></a>
<span class="sourceLineNo">225</span>     *<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * @throws IndexOutOfBoundsException if &lt;code&gt;row&lt;/code&gt; is out of bounds.<a name="line.226"></a>
<span class="sourceLineNo">227</span>     */<a name="line.227"></a>
<span class="sourceLineNo">228</span>    public Comparable getRowKey(int row) {<a name="line.228"></a>
<span class="sourceLineNo">229</span>        return this.underlying.getRowKey(row);<a name="line.229"></a>
<span class="sourceLineNo">230</span>    }<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span>    /**<a name="line.232"></a>
<span class="sourceLineNo">233</span>     * Returns the row keys.<a name="line.233"></a>
<span class="sourceLineNo">234</span>     *<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * @return The keys.<a name="line.235"></a>
<span class="sourceLineNo">236</span>     */<a name="line.236"></a>
<span class="sourceLineNo">237</span>    public List getRowKeys() {<a name="line.237"></a>
<span class="sourceLineNo">238</span>        return this.underlying.getRowKeys();<a name="line.238"></a>
<span class="sourceLineNo">239</span>    }<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span>    /**<a name="line.241"></a>
<span class="sourceLineNo">242</span>     * Returns the value for a pair of keys.<a name="line.242"></a>
<span class="sourceLineNo">243</span>     *<a name="line.243"></a>
<span class="sourceLineNo">244</span>     * @param rowKey  the row key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.244"></a>
<span class="sourceLineNo">245</span>     * @param columnKey  the column key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.245"></a>
<span class="sourceLineNo">246</span>     *<a name="line.246"></a>
<span class="sourceLineNo">247</span>     * @return The value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.247"></a>
<span class="sourceLineNo">248</span>     *<a name="line.248"></a>
<span class="sourceLineNo">249</span>     * @throws UnknownKeyException if either key is not defined in the dataset.<a name="line.249"></a>
<span class="sourceLineNo">250</span>     */<a name="line.250"></a>
<span class="sourceLineNo">251</span>    public Number getValue(Comparable rowKey, Comparable columnKey) {<a name="line.251"></a>
<span class="sourceLineNo">252</span>        int r = getRowIndex(rowKey);<a name="line.252"></a>
<span class="sourceLineNo">253</span>        int c = getColumnIndex(columnKey);<a name="line.253"></a>
<span class="sourceLineNo">254</span>        if (c != -1) {<a name="line.254"></a>
<span class="sourceLineNo">255</span>            return this.underlying.getValue(r, c + this.firstCategoryIndex);<a name="line.255"></a>
<span class="sourceLineNo">256</span>        }<a name="line.256"></a>
<span class="sourceLineNo">257</span>        else {<a name="line.257"></a>
<span class="sourceLineNo">258</span>            throw new UnknownKeyException("Unknown columnKey: " + columnKey);<a name="line.258"></a>
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<span class="sourceLineNo">261</span><a name="line.261"></a>
<span class="sourceLineNo">262</span>    /**<a name="line.262"></a>
<span class="sourceLineNo">263</span>     * Returns the number of columns in the table.<a name="line.263"></a>
<span class="sourceLineNo">264</span>     *<a name="line.264"></a>
<span class="sourceLineNo">265</span>     * @return The column count.<a name="line.265"></a>
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<span class="sourceLineNo">278</span>     * Returns the number of rows in the table.<a name="line.278"></a>
<span class="sourceLineNo">279</span>     *<a name="line.279"></a>
<span class="sourceLineNo">280</span>     * @return The row count.<a name="line.280"></a>
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<span class="sourceLineNo">285</span><a name="line.285"></a>
<span class="sourceLineNo">286</span>    /**<a name="line.286"></a>
<span class="sourceLineNo">287</span>     * Returns a value from the table.<a name="line.287"></a>
<span class="sourceLineNo">288</span>     *<a name="line.288"></a>
<span class="sourceLineNo">289</span>     * @param row  the row index (zero-based).<a name="line.289"></a>
<span class="sourceLineNo">290</span>     * @param column  the column index (zero-based).<a name="line.290"></a>
<span class="sourceLineNo">291</span>     *<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * @return The value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.292"></a>
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<span class="sourceLineNo">299</span>     * Returns the percent complete for a given item.<a name="line.299"></a>
<span class="sourceLineNo">300</span>     *<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * @param rowKey  the row key.<a name="line.301"></a>
<span class="sourceLineNo">302</span>     * @param columnKey  the column key.<a name="line.302"></a>
<span class="sourceLineNo">303</span>     *<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * @return The percent complete.<a name="line.304"></a>
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<span class="sourceLineNo">308</span>        int c = getColumnIndex(columnKey);<a name="line.308"></a>
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<span class="sourceLineNo">311</span>                    c + this.firstCategoryIndex);<a name="line.311"></a>
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<span class="sourceLineNo">317</span><a name="line.317"></a>
<span class="sourceLineNo">318</span>    /**<a name="line.318"></a>
<span class="sourceLineNo">319</span>     * Returns the percentage complete value of a sub-interval for a given item.<a name="line.319"></a>
<span class="sourceLineNo">320</span>     *<a name="line.320"></a>
<span class="sourceLineNo">321</span>     * @param rowKey  the row key.<a name="line.321"></a>
<span class="sourceLineNo">322</span>     * @param columnKey  the column key.<a name="line.322"></a>
<span class="sourceLineNo">323</span>     * @param subinterval  the sub-interval.<a name="line.323"></a>
<span class="sourceLineNo">324</span>     *<a name="line.324"></a>
<span class="sourceLineNo">325</span>     * @return The percent complete value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.325"></a>
<span class="sourceLineNo">326</span>     *<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * @see #getPercentComplete(int, int, int)<a name="line.327"></a>
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<span class="sourceLineNo">330</span>            int subinterval) {<a name="line.330"></a>
<span class="sourceLineNo">331</span>        int r = getRowIndex(rowKey);<a name="line.331"></a>
<span class="sourceLineNo">332</span>        int c = getColumnIndex(columnKey);<a name="line.332"></a>
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<span class="sourceLineNo">335</span>                    c + this.firstCategoryIndex, subinterval);<a name="line.335"></a>
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<span class="sourceLineNo">341</span><a name="line.341"></a>
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<span class="sourceLineNo">343</span>     * Returns the end value of a sub-interval for a given item.<a name="line.343"></a>
<span class="sourceLineNo">344</span>     *<a name="line.344"></a>
<span class="sourceLineNo">345</span>     * @param rowKey  the row key.<a name="line.345"></a>
<span class="sourceLineNo">346</span>     * @param columnKey  the column key.<a name="line.346"></a>
<span class="sourceLineNo">347</span>     * @param subinterval  the sub-interval.<a name="line.347"></a>
<span class="sourceLineNo">348</span>     *<a name="line.348"></a>
<span class="sourceLineNo">349</span>     * @return The end value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.349"></a>
<span class="sourceLineNo">350</span>     *<a name="line.350"></a>
<span class="sourceLineNo">351</span>     * @see #getStartValue(Comparable, Comparable, int)<a name="line.351"></a>
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<span class="sourceLineNo">354</span>            int subinterval) {<a name="line.354"></a>
<span class="sourceLineNo">355</span>        int r = getRowIndex(rowKey);<a name="line.355"></a>
<span class="sourceLineNo">356</span>        int c = getColumnIndex(columnKey);<a name="line.356"></a>
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<span class="sourceLineNo">366</span>    /**<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * Returns the end value of a sub-interval for a given item.<a name="line.367"></a>
<span class="sourceLineNo">368</span>     *<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * @param row  the row index (zero-based).<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * @param column  the column index (zero-based).<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @param subinterval  the sub-interval.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * @return The end value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.373"></a>
<span class="sourceLineNo">374</span>     *<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * @see #getStartValue(int, int, int)<a name="line.375"></a>
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<span class="sourceLineNo">379</span>                column + this.firstCategoryIndex, subinterval);<a name="line.379"></a>
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<span class="sourceLineNo">381</span><a name="line.381"></a>
<span class="sourceLineNo">382</span>    /**<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * Returns the percent complete for a given item.<a name="line.383"></a>
<span class="sourceLineNo">384</span>     *<a name="line.384"></a>
<span class="sourceLineNo">385</span>     * @param series  the row index (zero-based).<a name="line.385"></a>
<span class="sourceLineNo">386</span>     * @param category  the column index (zero-based).<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *<a name="line.387"></a>
<span class="sourceLineNo">388</span>     * @return The percent complete.<a name="line.388"></a>
<span class="sourceLineNo">389</span>     */<a name="line.389"></a>
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<span class="sourceLineNo">395</span>    /**<a name="line.395"></a>
<span class="sourceLineNo">396</span>     * Returns the percentage complete value of a sub-interval for a given item.<a name="line.396"></a>
<span class="sourceLineNo">397</span>     *<a name="line.397"></a>
<span class="sourceLineNo">398</span>     * @param row  the row index (zero-based).<a name="line.398"></a>
<span class="sourceLineNo">399</span>     * @param column  the column index (zero-based).<a name="line.399"></a>
<span class="sourceLineNo">400</span>     * @param subinterval  the sub-interval.<a name="line.400"></a>
<span class="sourceLineNo">401</span>     *<a name="line.401"></a>
<span class="sourceLineNo">402</span>     * @return The percent complete value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.402"></a>
<span class="sourceLineNo">403</span>     *<a name="line.403"></a>
<span class="sourceLineNo">404</span>     * @see #getPercentComplete(Comparable, Comparable, int)<a name="line.404"></a>
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<span class="sourceLineNo">412</span>     * Returns the start value of a sub-interval for a given item.<a name="line.412"></a>
<span class="sourceLineNo">413</span>     *<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * @param rowKey  the row key.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * @param columnKey  the column key.<a name="line.415"></a>
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<span class="sourceLineNo">417</span>     *<a name="line.417"></a>
<span class="sourceLineNo">418</span>     * @return The start value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.418"></a>
<span class="sourceLineNo">419</span>     *<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * @see #getEndValue(Comparable, Comparable, int)<a name="line.420"></a>
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<span class="sourceLineNo">423</span>            int subinterval) {<a name="line.423"></a>
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<span class="sourceLineNo">425</span>        int c = getColumnIndex(columnKey);<a name="line.425"></a>
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<span class="sourceLineNo">435</span>    /**<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * Returns the start value of a sub-interval for a given item.<a name="line.436"></a>
<span class="sourceLineNo">437</span>     *<a name="line.437"></a>
<span class="sourceLineNo">438</span>     * @param row  the row index (zero-based).<a name="line.438"></a>
<span class="sourceLineNo">439</span>     * @param column  the column index (zero-based).<a name="line.439"></a>
<span class="sourceLineNo">440</span>     * @param subinterval  the sub-interval index (zero-based).<a name="line.440"></a>
<span class="sourceLineNo">441</span>     *<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * @return The start value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.442"></a>
<span class="sourceLineNo">443</span>     *<a name="line.443"></a>
<span class="sourceLineNo">444</span>     * @see #getEndValue(int, int, int)<a name="line.444"></a>
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<span class="sourceLineNo">451</span>    /**<a name="line.451"></a>
<span class="sourceLineNo">452</span>     * Returns the number of sub-intervals for a given item.<a name="line.452"></a>
<span class="sourceLineNo">453</span>     *<a name="line.453"></a>
<span class="sourceLineNo">454</span>     * @param rowKey  the row key.<a name="line.454"></a>
<span class="sourceLineNo">455</span>     * @param columnKey  the column key.<a name="line.455"></a>
<span class="sourceLineNo">456</span>     *<a name="line.456"></a>
<span class="sourceLineNo">457</span>     * @return The sub-interval count.<a name="line.457"></a>
<span class="sourceLineNo">458</span>     *<a name="line.458"></a>
<span class="sourceLineNo">459</span>     * @see #getSubIntervalCount(int, int)<a name="line.459"></a>
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<span class="sourceLineNo">463</span>        int c = getColumnIndex(columnKey);<a name="line.463"></a>
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<span class="sourceLineNo">473</span>    /**<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * Returns the number of sub-intervals for a given item.<a name="line.474"></a>
<span class="sourceLineNo">475</span>     *<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * @param row  the row index (zero-based).<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * @param column  the column index (zero-based).<a name="line.477"></a>
<span class="sourceLineNo">478</span>     *<a name="line.478"></a>
<span class="sourceLineNo">479</span>     * @return The sub-interval count.<a name="line.479"></a>
<span class="sourceLineNo">480</span>     *<a name="line.480"></a>
<span class="sourceLineNo">481</span>     * @see #getSubIntervalCount(Comparable, Comparable)<a name="line.481"></a>
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<span class="sourceLineNo">487</span><a name="line.487"></a>
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<span class="sourceLineNo">489</span>     * Returns the start value for the interval for a given series and category.<a name="line.489"></a>
<span class="sourceLineNo">490</span>     *<a name="line.490"></a>
<span class="sourceLineNo">491</span>     * @param rowKey  the series key.<a name="line.491"></a>
<span class="sourceLineNo">492</span>     * @param columnKey  the category key.<a name="line.492"></a>
<span class="sourceLineNo">493</span>     *<a name="line.493"></a>
<span class="sourceLineNo">494</span>     * @return The start value (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.494"></a>
<span class="sourceLineNo">495</span>     *<a name="line.495"></a>
<span class="sourceLineNo">496</span>     * @see #getEndValue(Comparable, Comparable)<a name="line.496"></a>
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<span class="sourceLineNo">511</span>     * Returns the start value for the interval for a given series and category.<a name="line.511"></a>
<span class="sourceLineNo">512</span>     *<a name="line.512"></a>
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<span class="sourceLineNo">561</span>     * arbitrary object.<a name="line.561"></a>
<span class="sourceLineNo">562</span>     *<a name="line.562"></a>
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<span class="sourceLineNo">565</span>     * @return A boolean.<a name="line.565"></a>
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<span class="sourceLineNo">598</span>     * @throws CloneNotSupportedException if the dataset cannot be cloned for<a name="line.598"></a>
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<span class="sourceLineNo">611</span>}<a name="line.611"></a>




























































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